x-15+x-21=90

Simple and best practice solution for x-15+x-21=90 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for x-15+x-21=90 equation:


Simplifying
x + -15 + x + -21 = 90

Reorder the terms:
-15 + -21 + x + x = 90

Combine like terms: -15 + -21 = -36
-36 + x + x = 90

Combine like terms: x + x = 2x
-36 + 2x = 90

Solving
-36 + 2x = 90

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '36' to each side of the equation.
-36 + 36 + 2x = 90 + 36

Combine like terms: -36 + 36 = 0
0 + 2x = 90 + 36
2x = 90 + 36

Combine like terms: 90 + 36 = 126
2x = 126

Divide each side by '2'.
x = 63

Simplifying
x = 63

See similar equations:

| 3-2x=x+1 | | 25a^2+5a-42=0 | | 5x+11+4x+7=90 | | 2=1.66667x | | 5+6x=26+x | | 5r-7p+1r-6p= | | 82=-2x | | V^2-18v+81=0 | | 162-6x=39x+17 | | 0.3(9-2x)=x+1 | | 3x+19=12x-89 | | 14-9x=48-23x | | 13x+5=40+12x+25 | | 15-3=2y-4 | | -x^2-14x-47=-7 | | 13x+5=40+12y+25 | | -56-8x=8x-23x | | 3(x+4)-2(x-5)=x(2+7) | | 4x+12=-36-8x | | 4(-7)+3=2(-7)-11 | | 5x-6=x-12 | | 7x-13=5x+11 | | 14y=8y-30 | | (0.25)x=32 | | 6x+19=13x-37 | | 13-7x=11+5 | | 4(s+9)+9s= | | 1s-4q+8s-7q= | | 12x^2+6x-18=0 | | x^2+20x=-18 | | 4s-6r+1s-9r= | | 3(x-5)=4x-2(x+7) |

Equations solver categories